Andy Friesen c51743268b Sync to upstream/release/671 (#1787) ... # General * Internally rename `ClassType` to `ExternType`. In definition files, the syntax to define these types has changed to `declare extern type Foo with prop: type end` * Add `luarequire_registermodule` to Luau.Require * Support yieldable Luau C functions calling other functions * Store return types as `AstTypePack*` on Ast nodes ## New Solver * Improve the logic that determines constraint dispatch ordering * Fix a crash in the type solver that arose when using multi-return functions with `string.format` * Fix https://github.com/luau-lang/luau/issues/1736 * Initial steps toward rethinking function generalization: * Instead of generalizing every type in a function all at once, we will instead generalize individual type variables once their bounds have been fully resolved. This will make it possible to properly interleave type function reduction and generalization. * Magic functions are no longer considered magical in cases where they are not explicitly called by the code. * The most prominent example of this is in `for..in` loops where the function call is part of the desugaring process. * Almost all magic functions work by directly inspecting the AST, so they can't work without an AST fragment anyway. * Further, none of the magic functions we have are usefully used in this way. Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Sora Kanosue <skanosue@roblox.com> Co-authored-by: Talha Pathan <tpathan@roblox.com> Co-authored-by: Varun Saini <vsaini@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>		2025-04-25 14:19:27 -07:00
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include/Luau	Sync to upstream/release/671 (#1787)	2025-04-25 14:19:27 -07:00
src	Sync to upstream/release/671 (#1787)	2025-04-25 14:19:27 -07:00